MilliporeSigma
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114189

Sigma-Aldrich

Acetyl chloride

reagent grade, 98%

Linear Formula:
CH3COCl
CAS Number:
Molecular Weight:
78.50
Beilstein:
605303
EC Number:
MDL number:
eCl@ss:
39050501
PubChem Substance ID:
NACRES:
NA.21

Quality Level

grade

reagent grade

vapor density

2.7 (vs air)

vapor pressure

11.69 psi ( 20 °C)
32.33 psi ( 55 °C)

assay

98%

form

liquid

autoignition temp.

1353 °F

expl. lim.

19 %

refractive index

n20/D 1.389 (lit.)

bp

52 °C (lit.)

mp

−112 °C (lit.)

density

1.104 g/mL at 25 °C (lit.)

SMILES string

CC(Cl)=O

InChI

1S/C2H3ClO/c1-2(3)4/h1H3

InChI key

WETWJCDKMRHUPV-UHFFFAOYSA-N

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General description

Acetyl chloride is a colorless acyl halide. On reaction with ammonia and alcohols, it affords acetamide and esters of acetic acid, respectively. Structural parameters and rotational constants of its isotopic forms have been evaluated from the microwave spectral investigations.

Application

Acetyl chloride has been used in the Lepage and Roy fatty acids analysis, and robotic fatty acid analysis. It may be used for the qualitative in situ synthesis of hydrogen chloride.

Packaging

25, 500 g in glass bottle
1 kg in glass bottle

Pictograms

FlameCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

41.0 °F

Flash Point(C)

5 °C

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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